Home / 476,928,621.60-715,392,932.40-442,491,244.80

Finding the Fourth Proportional to 476,928,621.60, 715,392,932.40 and 442,491,244.80

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Solution

The fourth proportional to 476,928,621.60, 715,392,932.40 and 442,491,244.80 is: 663,736,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,928,621.60 : 715,392,932.40 = 442,491,244.80 : x
  2. Step 2: Convert to fraction form
    476,928,621.60/715,392,932.40 = 442,491,244.80/x
  3. Step 3: Cross multiply
    476,928,621.60x = 715,392,932.40 × 442,491,244.80
  4. Step 4: Simplify right side
    476,928,621.60x = 316,555,109,178,798,272
  5. Step 5: Solve for x
    x = 316,555,109,178,798,272/476,928,621.60
  6. Step 6: Final answer
    x = 663,736,867.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.